<?php

class ArticleController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$user=Yii::app()->user;
		$data=$user->getFlash('data');
		$this->render('create',$data);
	}

	public function actionDoCreate(){
		$title=Yii::app()->request->getParam('title');
		$content=Yii::app()->request->getParam('content');
		$identity=new ArticleIdentity($title,$content);
		$identity->check();
		switch ($identity->errorCode) {
			case ArticleIdentity::ERROR_TITLE_INVALID:
				$data=array(
					'msg'=>'请填写留言标题',
				);
				$user=Yii::app()->user;
				$user->setFlash('data',$data);
				$this->redirect($this->createUrl('article/create'));
				break;
			case ArticleIdentity::ERROR_CONTENT_INVALID:
				$data=array(
					'msg'=>'请填写留言内容',
					'title'=>$title,
				);
				$user=Yii::app()->user;
				$user->setFlash('data',$data);
				$this->redirect($this->createUrl('article/create'));
			case ArticleIdentity::ERROR_NONE:
				$createtime=date('Y-m-d H:i:s',time());
				$model=new Article;
				$model->title=$title;
				$model->content=$content;
				$model->createtime=$createtime;
				$model->userid=Yii::app()->session['id'];
				$x=$model->save();
				if($x){
					$data=array(
						'msg'=>'留言成功',
					);
					$user=Yii::app()->user;
					$user->setFlash('data',$data);
					$this->redirect($this->createUrl('article/index'));
				}
				break;
			default:
				# code...
				break;
		}
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Article']))
		{
			$model->attributes=$_POST['Article'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	public function actionReply(){
		$content=Yii::app()->request->getParam('content');
		$id=Yii::app()->request->getParam('id');
		$createtime=date('Y-m-d H:i:s',time());
		if($content && $id){
			$model=new Reply;
			$model->content=$content;
			$model->articleid=$id;
			$model->createtime=$createtime;
			$model->userid=Yii::app()->session['id'];
			$x=$model->save();
			if($x){
				$data=array(
					'msg'=>'评论成功',
					'id'=>$id,
				);
				$user=Yii::app()->user;
				$user->setFlash('data',$data);
				$this->redirect($this->createUrl('article/view').'&id='.$id);
			}
		}
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$articles=Article::model()->findAll();
		$user=Yii::app()->user;
		$data=$user->getFlash('data');
		$data['articles']=$articles;
		$this->render('index',$data);
	}

	public function actionView(){
		$user=Yii::app()->user;
		$data_1=$user->getFlash('data');
		$id=Yii::app()->request->getParam('id');
		$article=Article::model()->findAll('id=?',$id);
		$data=array(
			'article'=>$article,
			'msg'=>$data_1->msg,
		);
		$data['msg']=$data_1['msg'];
		$this->render('view',$data);
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Article('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Article']))
			$model->attributes=$_GET['Article'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return Article the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=Article::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param Article $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='article-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
